<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>蓝天白云青草css</title>
    <link rel="stylesheet" href="./styles/index.css" />
  </head>
  <body>
    <div class="cloudMain">
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
      <div class="cloudMain-item">
        <div class="cloud cloud-1"></div>
        <div class="cloud cloud-2"></div>
        <div class="cloud cloud-3"></div>
      </div>
    </div>

    <div class="grassMain">
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
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      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
        <div class="grass"></div>
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      <div class="grassMain-item">
        <div class="grass"></div>
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      </div>
      <div class="grassMain-item">
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      </div>
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      </div>
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      </div>
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      <div class="grassMain-item">
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      </div>
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      </div>
      <div class="grassMain-item">
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      </div>
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        <div class="grass"></div>
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      </div>
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      </div>
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      </div>
      <div class="grassMain-item">
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      </div>
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      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
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      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
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      </div>
      <div class="grassMain-item">
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      </div>
      <div class="grassMain-item">
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      </div>
      <div class="grassMain-item">
        <div class="grass"></div>
      </div>
      <div class="grassMain-item">
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